v3.24.3
Revenue Recognition (Narrative) (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2024
Dec. 31, 2023
Contract with Customer, Asset and Liability [Abstract]    
Contract liability balance - current portion $ 4,059 $ 3,778
Beginning of period contract liability recorded as customer contract revenue during period 3,512  
Prepaid and other current assets    
Contract with Customer, Asset and Liability [Abstract]    
Contract asset balance - current portion 3,674 3,549
Deferred Acquisition Costs    
Capitalized Contract Cost [Line Items]    
Excluded deferred costs 7,259 7,310
Deferred Acquisition Costs | Prepaid and other current assets    
Capitalized Contract Cost [Line Items]    
Excluded deferred costs 3,185 3,233
Deferred Acquisition Costs | Other Assets    
Capitalized Contract Cost [Line Items]    
Excluded deferred costs $ 4,074 4,077
Deferred Acquisition Costs | Minimum    
Capitalized Contract Cost [Line Items]    
Amortization period for deferred customer contract acquisition and fulfillment costs 3 years  
Deferred Acquisition Costs | Maximum    
Capitalized Contract Cost [Line Items]    
Amortization period for deferred customer contract acquisition and fulfillment costs 5 years  
Deferred Fulfillment Costs    
Capitalized Contract Cost [Line Items]    
Excluded deferred costs $ 5,554 6,183
Deferred Fulfillment Costs | Prepaid and other current assets    
Capitalized Contract Cost [Line Items]    
Excluded deferred costs 2,155 2,340
Deferred Fulfillment Costs | Other Assets    
Capitalized Contract Cost [Line Items]    
Excluded deferred costs $ 3,399 $ 3,843
Deferred Fulfillment Costs | Minimum    
Capitalized Contract Cost [Line Items]    
Amortization period for deferred customer contract acquisition and fulfillment costs 3 years  
Deferred Fulfillment Costs | Maximum    
Capitalized Contract Cost [Line Items]    
Amortization period for deferred customer contract acquisition and fulfillment costs 5 years